Hasanah, Nurul, Rafita Yuniart, Haris Munandar Nasution, and Yayuk Putri Rahayu. “Antioxidant Activity of Citrus Leaf Ethanol Extract (Citrus Nobilis L.) Using the DPPH Method (1,1-Diphenyl-2-Picrylhydrazyl)”. Journal of Pharmaceutical and Sciences 6, no. 3 (August 16, 2023): 1416–1424. Accessed August 4, 2025. https://journal-jps.com/new/index.php/jps/article/view/204.